tt_grendel_filter_init.c File Reference

#include <errno.h>
#include <inttypes.h>
#include <tenstorrent/uart_tt_virt.h>
#include <zephyr/device.h>
#include <zephyr/devicetree.h>
#include <zephyr/drivers/misc/tt_bundle_loader.h>
#include <zephyr/drivers/misc/tt_grendel_filter.h>
#include <zephyr/init.h>
#include <zephyr/logging/log.h>
#include <zephyr/sys/sys_io.h>
#include <zephyr/sys/util.h>
#include <firewall.h>
#include <platform.h>
#include <soc.h>
#include <spa_remap.h>

Include dependency graph for tt_grendel_filter_init.c:

Macros
#define	SEP_SAFE_OFF_NODE   DT_NODELABEL(sep_safe_off)
#define	SEP_SAFE_SIZE_NODE   DT_NODELABEL(sep_safe_size)
#define	RAM0_NODE   DT_CHOSEN(zephyr_sram)
#define	BUN2_FILTER_ENTRY   0
#define	SEP_SAFE_FILTER_ENTRY   1
#define	SCRATCH_FILTER_ENTRY   2
#define	VUART_FILTER_ENTRY   3
#define	SMC_SCRATCH_COUNT   16
#define	SMC_SCRATCH_END   (SCRATCH_REG_BASE + SMC_SCRATCH_COUNT * sizeof(uint64_t) - 1)

Functions
	LOG_MODULE_DECLARE (tt_grendel_filter, CONFIG_TT_GRENDEL_FILTER_LOG_LEVEL)
static int	chiplet_local_addr (uint64_t addr, uint64_t *local)
static int	enable_host_window (uint32_t entry, uint64_t start, uint64_t end, const char *name)
static int	tt_grendel_smc_filter_pre_pcie_init (void)
static int	tt_grendel_smc_filter_post_pcie_init (void)
	SYS_INIT (tt_grendel_smc_filter_pre_pcie_init, PRE_KERNEL_2, 0)
	SYS_INIT (tt_grendel_smc_filter_post_pcie_init, POST_KERNEL, 0)

Variables
static const struct tt_grendel_filter_flags	smc_filter_host_flags

Macro Definition Documentation

BUN2_FILTER_ENTRY

#define BUN2_FILTER_ENTRY   0

RAM0_NODE

#define RAM0_NODE   DT_CHOSEN(zephyr_sram)

SCRATCH_FILTER_ENTRY

#define SCRATCH_FILTER_ENTRY   2

SEP_SAFE_FILTER_ENTRY

#define SEP_SAFE_FILTER_ENTRY   1

SEP_SAFE_OFF_NODE

#define SEP_SAFE_OFF_NODE   DT_NODELABEL(sep_safe_off)

SEP_SAFE_SIZE_NODE

#define SEP_SAFE_SIZE_NODE   DT_NODELABEL(sep_safe_size)

SMC_SCRATCH_COUNT

#define SMC_SCRATCH_COUNT   16

SMC_SCRATCH_END

#define SMC_SCRATCH_END   (SCRATCH_REG_BASE + SMC_SCRATCH_COUNT * sizeof(uint64_t) - 1)

VUART_FILTER_ENTRY

#define VUART_FILTER_ENTRY   3

Function Documentation

chiplet_local_addr()

int chiplet_local_addr ( uint64_t addr, uint64_t * local )

static

enable_host_window()

int enable_host_window ( uint32_t entry, uint64_t start, uint64_t end, const char * name )

static

LOG_MODULE_DECLARE()

LOG_MODULE_DECLARE	(	tt_grendel_filter	,
		CONFIG_TT_GRENDEL_FILTER_LOG_LEVEL	)

SYS_INIT() [1/2]

SYS_INIT	(	tt_grendel_smc_filter_post_pcie_init	,
		POST_KERNEL	,
		0	)

SYS_INIT() [2/2]

SYS_INIT	(	tt_grendel_smc_filter_pre_pcie_init	,
		PRE_KERNEL_2	,
		0	)

tt_grendel_smc_filter_post_pcie_init()

int tt_grendel_smc_filter_post_pcie_init ( void )

static

tt_grendel_smc_filter_pre_pcie_init()

int tt_grendel_smc_filter_pre_pcie_init ( void )

static

Variable Documentation

smc_filter_host_flags

const struct tt_grendel_filter_flags smc_filter_host_flags

static

Initial value:

= {
        .read = 1,
        .write = 1,
        .nonsecure = 1,
        .burst = 1,
}